Dell Inspiron 15 7569 2-in-1 Laptop Bios update

Warning: Do not turn off your Laptop or disconnect from your power source while updating the BIOS or you may harm your Laptop. During the update, your computer will restart and you will briefly see a black screen.

1.Double-click the new icon on the desktop mark Dell Inspiron 15 7569 2-in-1 Laptop Dell Inspiron 5368 5568 7368 7569 7778 System BIOS.EXE.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:DELLDRIVERS create a folder and name it as bios folder. open this path to access application setup